*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
ul,ol,li{
    list-style: none;
}

.clear{
    display: block;
    content: "";
    clear: both;
}

.center{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;
}
.top{
    height: 50px;
}
.top .center img{
    height: 100%;
}
.top .center ul{
    list-style: none;
    float: right;
} 

.top ul li{
    float: left;
    margin: 10px 20px;
} 
.top ul li a{
    color: #333;
}


.banner{
    height: 400px;
    position: relative;
}
.banner .center{
    position: relative;
}
.banner .center>ul{
    width: 500%;
    position: absolute;
    top: 0;
    left: 0;
}

.banner .center > ul > li{
    width: 1200px;
    height: 400px;
    float: left;
    display: flex;
    justify-content: center;
    align-items: center;
}
.banner .center > ul > li>img{
    width: 100%;
    height: 100%;
}
.banner .center > div{
    width: 100%;
    height: 50px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.banner .center  a{
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 70px;
    color: #fff;
}

.banner .center>ol{
    height: 50px;
    background-color: rgba(80,80,100,.5);
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
}

.banner .center>ol > li{
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: white;
    margin: 0 20px;
}

.banner .center>ol > li.active{
    background-color: purple;
}

.nav-top{
    height: 100px;
}
.nav-top .center{
    background-color: aqua;
}
.nav-top ul li{
    display: inline-block;
    line-height: 100px;
    font-weight: 800;
    margin: 0 50px;
}
.nav-top ul li a{
    color:black;
}

.content .nav-content1{
    width: 100%;
    height: 600px;
}

.content .nav-content1 .center .ctr-nav{
    height: 100px;
    width: 100%;
    background-color: thistle;
}

.content .nav-content1 .center .ctr-nav h1{
    text-align: center;
    line-height: 100px;
}
.content .nav-content1 .center .ctr-btm{
    height: 500px;
    width: 100%;
}

.ctr-btm .btm-l{
    width: 49.9%;
    height: 100%;
    border-right: 1px solid black;
    float: left;
}

.l-top{
    width: 100%;
    height: 300px;
}

.l-top .top-l{
    width: 50%;
    height: 100%;
    float: left;
}
.l-top .top-l img{
    width: 100%;
    height: 100%;
}

.l-top .top-r{
    width: 50%;
    height: 100%;
    float: right;
}
.top-r .r{
    width: 148px;
    height: 149px;
    float: left; 
}
.top-r .r:nth-child(1){
    border-right: 1px solid #333;
}
.top-r .r:nth-child(2){
    border-bottom: 1px solid #333;
}  
.top-r .r:nth-child(3){
    border-top: 1px solid #333;
}  
.top-r .r:nth-child(4){
    border-left: 1px solid #333;
} 
.top-r .r .text{
    width: 47px;
    height: 100%;
    float: left;
}
.top-r .r .text .pp{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.top-r .r .img{
    width: 100px;
    height: 100%;
    float: left;
}
.top-r .r .img img{
    width: 100%;
    height: 100%;
}


.ctr-btm  .l-btm{
    width: 100%;
    height: 199px;
    border-top: 1px solid #333;
}
.l-btm .btm-img{
    width: 33.1%;
    float: left;
}
.l-btm .btm-img:nth-child(1){
    border-right: 1px solid #333;
}
.l-btm .btm-img:nth-child(2){
    border-right: 1px solid #333;
}
.l-btm .btm-img img{
    width: 100%;
    height: 100%;
    
}
.ctr-btm .btm-r{
    width: 49.9%;
    height: 100%;
    border-left: 1px solid black;
    float: right;
}














.buttom{
    width: 100%;
    height: 400px;
    margin-top: 30px;
    background-color: #EAEAEA;
}

.icon-row{
    width: 100%;
    height: 100px;
    margin: 0 auto;
    line-height: 100px;
  }
  .footer-icon{
    margin-left: 17px;
    margin-right: 17px;
    float: left;
  }
  .footer-icon-child{
    overflow: hidden;
    position: absolute;
    width: 36px;
    height: 42px;
    background-image: url(../img/ico_service.png);
    text-indent: -999px;
  }
  .footer-icon-child-2{
    background-position: 0 -43px;
  }
  .footer-icon-child-3{
    background-position: 0 -86px;
  }
  .footer-icon-child-4{
    background-position: 0 -129px;
  }
  .footer-icon-text{
    margin-left: 45px;
    color: #444444;
    font-size: 18px;
    font-weight: bold;
    line-height: 64px;
  }
  .service-intro{
    width: 100%;
    height: 300px;
    border-top: 1px solid #B2DFDB;
  }
  .servece-type{
      width: 100%;
      height: 200px;
  }
  .servece-type-info{
    color: #666666;
    float: left;
    margin: 8px 68px;
  }
  .servece-type-info ul{
    list-style: none;
  }
  .servece-type-info li{
    font-size:14px;
    cursor: pointer;
    line-height: 26px;
  }
  .servece-type-info li:first-child{
    font-size: 16px;
    line-height: 28px;
    font-weight: bold;
  }
  .friend-link{
    width: 100%;
    height: 100px;
    margin: 0px auto;
    background-color: #EAEAEA;
    color: #666;
    border-top: 1px solid #B2DFDB;
  }
  
  .friend-link ul{
    width: 810px;
    height: 100%;
    list-style: none;
    line-height: 100px;
    margin: 0 auto;
  }
  .friend-link li{
    padding: 5px 0px;
    float: left;
  }
  .link-item{
    padding: 0px 8px;
    cursor: pointer;
    border-right: 1px solid #ccc;
  }
  .link-last-item{
    border:none;
  }

  .footer{
    width: 100%;
    color: #666;
    line-height: 30px;
    cursor: pointer;
    text-align: center;
    background-color: #EAEAEA;
  }
  